Quantitative Estimation of Formation of Shrinkage Porosity by the Niyama Criterion

Quantitative Estimation of Formation of Shrinkage Porosity by the Niyama Criterion

Critical values of the Niyama criterion were determined for castings from alloy ML10 on the basis of a computational experiment. It was shown that the Niyama criterion is suitable only for qualitative evaluation of the possibility of porosity formation. One of the options of constructing an unambigu...

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Veröffentlicht in:Inorganic materials : applied research 2022-02, Vol.13 (1), p.100-105
Hauptverfasser: Ivanina, E. S., Monastyrskiy, V. P., Ershov, M. Yu
Format: Artikel
Sprache:eng
Schlagworte:
Casting alloys
Castings
Chemistry
Chemistry and Materials Science
Criteria
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Materials Science
Porosity
Solidification
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Zusammenfassung:Critical values of the Niyama criterion were determined for castings from alloy ML10 on the basis of a computational experiment. It was shown that the Niyama criterion is suitable only for qualitative evaluation of the possibility of porosity formation. One of the options of constructing an unambiguous dependence and scale of porosity by the values of the temperature gradient and solidification rate was proposed.
ISSN:2075-1133
2075-115X
DOI:10.1134/S2075113322010130